package 状态修饰符;

public class Zi extends Fu{
    //final修饰，不可以被子类重写
    /*
    @Override
    public void method(){
        System.out.println("ZIm");
    }
     */

    public final int age=20;
    public void show(){
        //age=100;
        System.out.println(age);
    }

}
